[FFmpeg-soc] [PATCH] updated! vf_overlay alpha patch and watermarking using PNG with alpha

[Artur Bodera]

On Mon, Dec 7, 2009 at 2:08 PM, Michael Niedermayer <michaelni at gmx.at>wrote:

> The issue is just that with arbitrary graphs its not so
> easy to negotiate the format in a way that is scaleable and doesnt break
> down to O(2^n) time
>

Just a friendly, novice, out-of-the-box suggestion from my side - how does
DirectX / DirectShow handle that? Isn't it a common scenario or a common
problem that has already been resolved years ago? I remember playing with
directshow filter graphs that were, in their complexity, way beyond what
we're considering here.

Arthur.

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